TIDA-00741, UPOE High-Efficiency Flyback Converter (12V/3.8A) Reference Design for PoE PD Applications

Reference Design using part TPS2378DDA by Texas Instruments

Enlarge
TIDA-00741 Image (Sheet 1 of 5)
Control Loop Gain/Stability (Sheet 2 of 5)
TIDA-00741_FE.Sch. (Sheet 3 of 5)
TIDA-00741_PD.Sch. (Sheet 4 of 5)
TIDA-00741_DCDC.Sch. (Sheet 5 of 5)
Image 1 / 5

Manufacturer

Texas Instruments
  • Application Category
    Power Supplies
  • Product Type
    DC to DC Single Output Power Supplies

Associated Documents

For End Products

  • Power Over Ethernet

Description

  • TIDA-00741, UPOE High-Efficiency Flyback Converter (12V/3.8A) Reference Design for PoE PD Applications. The TIDA-00741 uses two TPS2378 PD controllers for a forced 4-pair UPOE solution to 51W non-standard PoE PD applications. It incorporates the UCC2897A controller in a high-efficiency, great transient response (driven) synch flyback converter capable of 12V at 3.8A

Key Features

  • Conversion Type
    DC to DC
  • Output Voltage
    12 V
  • Output Current
    3.8 A
  • Output Power
    51 W
  • Efficiency
    92 %
  • Topology
    Flyback

Featured Parts (7)

Featured Parts
Part Number Manufacturer Type Description
TL431AIDBVR Texas Instruments Voltage References V-Ref Adjustable 2.495V to 36V 100mA 5-Pin SOT-23 T/R Buy
TL431AIDBVT Texas Instruments Voltage References V-Ref Adjustable 2.495V to 36V 100mA 5-Pin SOT-23 T/R Buy
UCC2897APWR/1 Texas Instruments PWM and Resonant Controllers Current Mode PWM Controller 2A 1000kHz 20-Pin TSSOP Tube Buy
UCC2897APW Texas Instruments PWM and Resonant Controllers Current Mode PWM Controller 2A 1000kHz 20-Pin TSSOP Tube Buy
TL7700CDGKR Texas Instruments Supervisory Circuits Processor Supervisor 1 Active Low 8-Pin VSSOP T/R Buy
FOD817DS onsemi Transistor and Photovoltaic Output Photocouplers Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin PDIP SMD Black Box Buy
TPS2378DDA Texas Instruments Power Over Ethernet - PoE Controllers Power Over Ethernet PD Controller 0V 57V 25W 8-Pin HSOIC EP Buy

Research and Events

How to Choose a Voltage Reference

In this article, learn about the importance of voltage references in modern electronics.

4 years ago

Voltage References Can Bite You, Too

In this article, find out how to avoid common issues with voltage references.

4 years ago

Understanding and Applying Voltage References

In this article, learn about the application of voltage references, plus get an overview of common pitfalls and how to avoid them.

4 years ago
Sorry, your filter selection returned no results.

Connect with Electronic Components

Facebook LinkedIn Instagram YouTube
Contact Us

Contact and Support

Programs and Partners

Featured Products

Product Categories

Manufacturers

Verticals & Trends

We've updated our privacy policy. Please take a moment to review these changes. By clicking I Agree to Arrow Electronics Terms Of Use  and have read and understand the Privacy Policy and Cookie Policy.

See Short Policy

Our website places cookies on your device to improve your experience and to improve our site. Read more about the cookies we use and how to disable them here. Cookies and tracking technologies may be used for marketing purposes.
By clicking “Accept”, you are consenting to placement of cookies on your device and to our use of tracking technologies. Click “Read More” below for more information and instructions on how to disable cookies and tracking technologies. While acceptance of cookies and tracking technologies is voluntary, disabling them may result in the website not working properly, and certain advertisements may be less relevant to you.
We respect your privacy. Read our privacy policy here